61101000056 has 8 divisors (see below), whose sum is σ = 114564375120. Its totient is φ = 30550500024.

The previous prime is 61101000047. The next prime is 61101000091. The reversal of 61101000056 is 65000010116.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3818812496 + ... + 3818812511.

It is an arithmetic number, because the mean of its divisors is an integer number (14320546890).

Almost surely, 2^61101000056 is an apocalyptic number.

It is an amenable number.

61101000056 is a deficient number, since it is larger than the sum of its proper divisors (53463375064).

61101000056 is a wasteful number, since it uses less digits than its factorization.

61101000056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637625013 (or 7637625009 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The spelling of 61101000056 in words is "sixty-one billion, one hundred one million, fifty-six", and thus it is an aban number.